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Science
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Report outlines ‘research waste’ that occurred during the pandemic, with weakly designed trials exposing millions to unproven treatments
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Constellation is now on opposite side of sky to the sun and best placed for night-time observation
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Pioneering Bristol study blames the solid-fuel burners in people’s homes for breaches of World Health Organisation guidelines
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The long-running series in which readers answer other readers’ questions on subjects ranging from trivial flights of fancy to profound scientific and philosophical concepts
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Climate change is likely to exacerbate the rapid spread of viruses and pathogens, says John Vidal, former Guardian environment editor
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Ian Sample talks to virologist Oyewale Tomori about why monkeypox is flaring up, whether we should fear it, and what we can learn from countries such as Nigeria and the Democratic Republic of the Congo
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It’s a wake-up call for the world’s forests. Madeleine Finlay hears from biodiversity reporter Patrick Greenfield about what his trip deep inside Argentina’s precious region showed him and what’s needed to end deforestation by 2030, as promised at Cop26
Key issues
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By studying isotopes scientists hope to gain insight into how elements within exploding stars came to be
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Report outlines ‘research waste’ that occurred during the pandemic, with weakly designed trials exposing millions to unproven treatments
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Multimedia
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Ian Sample talks to virologist Oyewale Tomori about why monkeypox is flaring up, whether we should fear it, and what we can learn from countries such as Nigeria and the Democratic Republic of the Congo
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The Milky Way photographer of the year winners are selected every year by the travel blog Capture the Atlas. The Milky Way season ranges from February to October in the northern hemisphere and from January to November in the southern hemisphere
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Dramatic total lunar eclipse coincided with a super moon, when the moon is at its closest point to Earth and reflects a red and orange light
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Can you solve it? Intrigue at the pet hotel